单项选择题
On the forecastle deck,the chief officer and the bosun（）sharp lookout.
A.to keep B.are keep C.is keeping D.are keeping
单项选择题 The stevedores（）load your ship in a few days.
单项选择题 The third officer（）at the telegraph and also writing on the log.
单项选择题 There we shall call at some ports（）and discharge some cargo.
